linux/drivers/bluetooth
Steven Rostedt (Google) 292a089d78 treewide: Convert del_timer*() to timer_shutdown*()
Due to several bugs caused by timers being re-armed after they are
shutdown and just before they are freed, a new state of timers was added
called "shutdown".  After a timer is set to this state, then it can no
longer be re-armed.

The following script was run to find all the trivial locations where
del_timer() or del_timer_sync() is called in the same function that the
object holding the timer is freed.  It also ignores any locations where
the timer->function is modified between the del_timer*() and the free(),
as that is not considered a "trivial" case.

This was created by using a coccinelle script and the following
commands:

    $ cat timer.cocci
    @@
    expression ptr, slab;
    identifier timer, rfield;
    @@
    (
    -       del_timer(&ptr->timer);
    +       timer_shutdown(&ptr->timer);
    |
    -       del_timer_sync(&ptr->timer);
    +       timer_shutdown_sync(&ptr->timer);
    )
      ... when strict
          when != ptr->timer
    (
            kfree_rcu(ptr, rfield);
    |
            kmem_cache_free(slab, ptr);
    |
            kfree(ptr);
    )

    $ spatch timer.cocci . > /tmp/t.patch
    $ patch -p1 < /tmp/t.patch

Link: https://lore.kernel.org/lkml/20221123201306.823305113@linutronix.de/
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Acked-by: Pavel Machek <pavel@ucw.cz> [ LED ]
Acked-by: Kalle Valo <kvalo@kernel.org> [ wireless ]
Acked-by: Paolo Abeni <pabeni@redhat.com> [ networking ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-12-25 13:38:09 -08:00
..
ath3k.c Bluetooth: ath3k: remove superfluous header files 2022-03-18 17:12:09 +01:00
bcm203x.c Bluetooth: bcm203x: remove superfluous header files 2022-03-18 17:12:09 +01:00
bfusb.c Bluetooth: bfusb: fix division by zero in send path 2021-10-25 15:04:46 +02:00
bluecard_cs.c Bluetooth: Use fallthrough pseudo-keyword 2020-07-10 19:09:42 +02:00
bpa10x.c Bluetooth: bpa10x: change return value 2019-09-04 16:11:46 +02:00
bt3c_cs.c Bluetooth: bt3c_cs: Fix obsolete function 2018-09-27 12:57:39 +02:00
btbcm.c Bluetooth: hci_bcm: Add BCM4349B1 variant 2022-07-21 17:06:36 -07:00
btbcm.h Bluetooth: hci_bcm: Add support for FW loading in autobaud mode 2022-07-21 17:04:38 -07:00
btintel.c Bluetooth: btintel: Fix missing free skb in btintel_setup_combined() 2022-12-12 14:19:25 -08:00
btintel.h Bluetooth: btintel: Fix WBS setting for Intel legacy ROM products 2022-01-21 21:37:48 +01:00
btmrvl_debugfs.c treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_390.RULE 2022-06-10 14:51:36 +02:00
btmrvl_drv.h treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_390.RULE 2022-06-10 14:51:36 +02:00
btmrvl_main.c treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_390.RULE 2022-06-10 14:51:36 +02:00
btmrvl_sdio.c treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_390.RULE 2022-06-10 14:51:36 +02:00
btmrvl_sdio.h treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_390.RULE 2022-06-10 14:51:36 +02:00
btmtk.c Bluetooth: btmtkuart: rely on BT_MTK module 2022-03-18 17:12:07 +01:00
btmtk.h Bluetooth: btmtkuart: rely on BT_MTK module 2022-03-18 17:12:07 +01:00
btmtksdio.c Bluetooth: btmtksdio: Add in-band wakeup support 2022-07-21 17:08:03 -07:00
btmtkuart.c Bluetooth: btmtkuart: fix error handling in mtk_hci_wmt_sync() 2022-03-18 17:12:08 +01:00
btqca.c Bluetooth: btqca: sequential validation 2022-01-07 08:32:55 +01:00
btqca.h Bluetooth: btqca: sequential validation 2022-01-07 08:32:55 +01:00
btqcomsmd.c Bluetooth: btqcomsmd: Fix a resource leak in error handling paths in the probe function 2020-12-18 22:20:21 +01:00
btrsi.c Bluetooth: btrsi: remove superfluous header files from btrsi.c 2021-09-29 00:13:48 +02:00
btrtl.c Bluetooth: btusb: Ignore zero length of USB packets on ALT 6 for specific chip 2022-12-12 14:19:23 -08:00
btrtl.h Bluetooth: btrtl: Add btrealtek data struct 2022-12-12 14:19:23 -08:00
btsdio.c Bluetooth: btsdio: Do not bind to non-removable BCM4345 and BCM43455 2021-10-20 15:04:13 +02:00
btusb.c Bluetooth: btusb: don't call kfree_skb() under spin_lock_irqsave() 2022-12-12 14:19:25 -08:00
dtl1_cs.c networking: add and use skb_put_u8() 2017-06-16 11:48:40 -04:00
h4_recv.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
hci_ag6xx.c Bluetooth: hci_uart: Remove redundant assignment to fw_ptr 2021-06-26 07:52:41 +02:00
hci_ath.c Bluetooth: hci_uart: check for missing tty operations 2019-07-31 13:17:33 -07:00
hci_bcm4377.c Bluetooth: hci_bcm4377: Fix missing pci_disable_device() on error in bcm4377_probe() 2022-12-12 14:19:25 -08:00
hci_bcm.c Bluetooth: hci_bcm: Add CYW4373A0 support 2022-12-12 14:19:24 -08:00
hci_bcsp.c treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
hci_h4.c Bluetooth: hci_h4: Fix padding calculation error within h4_recv_buf() 2021-11-16 13:57:25 +01:00
hci_h5.c Bluetooth: hci_h5: don't call kfree_skb() under spin_lock_irqsave() 2022-12-12 14:19:25 -08:00
hci_intel.c Bluetooth: hci_intel: Add check for platform_driver_register 2022-07-21 17:05:10 -07:00
hci_ldisc.c Bluetooth: hci_{ldisc,serdev}: check percpu_init_rwsem() failure 2022-09-19 10:33:39 -07:00
hci_ll.c Bluetooth: hci_ll: don't call kfree_skb() under spin_lock_irqsave() 2022-12-12 14:19:25 -08:00
hci_mrvl.c Bluetooth: hci_uart: check for missing tty operations 2019-07-31 13:17:33 -07:00
hci_nokia.c Bluetooth: hci_nokia: Save a few cycles in 'nokia_enqueue()' 2019-10-16 19:26:40 +02:00
hci_qca.c Networking changes for 6.2. 2022-12-13 15:47:48 -08:00
hci_serdev.c Bluetooth: hci_{ldisc,serdev}: check percpu_init_rwsem() failure 2022-09-19 10:33:39 -07:00
hci_uart.h Bluetooth: hci_h5: Disable the hci_suspend_notifier for btrtl devices 2021-07-22 16:06:09 +02:00
hci_vhci.c Bluetooth: vhci: Set HCI_QUIRK_VALID_LE_STATES 2021-12-22 23:01:35 +01:00
Kconfig Bluetooth: hci_bcm4377: Add new driver for BCM4377 PCIe boards 2022-12-12 14:19:24 -08:00
Makefile Bluetooth: hci_bcm4377: Add new driver for BCM4377 PCIe boards 2022-12-12 14:19:24 -08:00
virtio_bt.c virtio_bt: Fix alignment in configuration struct 2022-12-12 14:19:23 -08:00